Etxeberria, Igone
Urdaneta, Elena
Galdona, Nerea
Article History
Accepted: 9 April 2019
First Online: 7 May 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study involving human participants were carried out in accordance with the ethical standards of the institutional research committee (Ingema-Matia-Hurkoa Assistance Ethics Committee) and with the 1964 Helsinki Declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.